Hi all
Classic question but I don't find the answers by google.
If I've server with X procs, N Go ram and if the only purpose of this
server is to run a postgresql daemon how can I known/calculate what I must
give to those variable
set kern.ipc.semmni=?
set kern.ipc.semmns=?
set kern.ipc.semmnu=?
and
kern.ipc.shmall=?
kern.ipc.shmmax=?
kern.ipc.semmap=?
Once those variables is determined how can I known/calculate the variable
in postgresql.conf ?
shared_buffers = 32MB # min 128kB or max_connections*16kB
# (change requires restart)
#temp_buffers = 8MB # min 800kB
#max_prepared_transactions = 5 # can be 0 or more
# (change requires restart)
# Note: Increasing max_prepared_transactions costs ~600 bytes of shared
# memory
# per transaction slot, plus lock space (see max_locks_per_transaction).
#work_mem = 1MB # min 64kB
#maintenance_work_mem = 16MB # min 1MB
#max_stack_depth = 2MB # min 100kB
# - Free Space Map -
max_fsm_pages = 204800 # min max_fsm_relations*16, 6 bytes each
# (change requires restart)
#max_fsm_relations = 1000 # min 100, ~70 bytes each
# (change requires restart)
# - Kernel Resource Usage -
#max_files_per_process = 1000 # min 25
?
Regards.
JAS
--
Albert SHIH
SIO batiment 15
Observatoire de Paris Meudon
5 Place Jules Janssen
92195 Meudon Cedex
Heure local/Local time:
Mer 27 aoû 2008 21:06:02 CEST
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